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Letter from Leonidas H. Berry to Dr. Massimo Crespi,
an organizer of the 2nd World Congress of the Gastrointestinal Endoscopy, stating that Berry would be unable to attend
Courtesy National Library of Medicine
![Page with typewritten text.](http://www.nlm.nih.gov/exhibition/forallthepeople//img/dg_2840_Lg.jpg)
Topic:
Dr. Berry's Career, TravelsCreator:
Leonidas H. BerryDate:
June 8, 1970